The mastermind is a disenchanted German colonel named Claus von Stauffenberg (Brad Davis). Nina: Madolyn Smith. Beck: Ian Richardson. Hitler: Mike Gwilym. Olbricht: Michael Byrne. Rommel: Helmut Griem. Fromm: Helmuth Lohner. Goebbels: Jonathan Hyde. Keitel: Kenneth Colley. Produced in Yugoslavian locales by David L. Wolper ("Roots").